Abstract
A method is proposed for the determination ofO-isobutylS-2-(N,N-diethylamino)ethyl methylphosphonate (mixed ester, ME) in spent decontaminating solutions by gas chromatography at a level of 1 x 10-5%. The interfering effect of mono- and diisobutyl methylphosphonates (matrix components formed on the destruction of ME) is eliminated by extraction and back extraction. The effect of bis(N,N-diethylaminoethyl) disulfide in the determination of ME is eliminated by changing the order of elution from a Chromatographic column. Decontaminating solutions that are used in the laboratory practice for the detoxication of hydrophilic process ME solutions are aqueous solutions of alkali hydroxide with additions of hydrogen peroxide and an emulsifier.
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Stan’kov, I.N., Sergeeva, A.A. & Derevyagina, I.D. Determination of residual amounts ofO-IsobutylS-2-(N,N-Diethylamino)ethyl methylphosphonate in decontaminating solutions by gas chromatography. J Anal Chem 55, 988–990 (2000). https://doi.org/10.1007/BF02756092
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DOI: https://doi.org/10.1007/BF02756092